Keysight Technologies announced new enhancements for its FieldFox handheld RF and microwave analysers. The instruments now connect to Keysight’s 89600 VSA software, the industry’s leading toolset for signal demodulation and vector signal analysis.
The FieldFox to 89600 VSA link provides a powerful combination of hardware and software for design and troubleshooting of devices using signal formats including APCO-25 and TETRA for public safety radio; IEEE 802.11p for wireless vehicular communications; low-power wide area networks and other formats for the Internet of Things (IoT); and cellular communications including LTE, WCDMA and GSM.
“With increased spectral density and complex signal waveforms, engineers can find it challenging to identify and understand unique signal characteristics,” said Dan Dunn, vice president and general manager: aerospace, defence and government solutions. “Option 351 provides a new I/Q analyser mode for FieldFox, a portable I/Q capture and analysis solution ideal for field-based communication systems applications; interference identification and analysis; and signal demodulation.”
The FieldFox I/Q analyser provides frequency and time domain measurements and customisable multi-domain display views. Users can capture and analyse I/Q data directly on the instrument, or capture and save the data for post analysis using Keysight’s 89600 VSA software, MATLAB, Python Toolkit or other third-party demodulation software.
FieldFox’s I/Q analyser mode also enables verification of baseband subsystems and final signal chain integration, as well as troubleshooting of signal quality degradation due to hardware and software issues. Users can gain further insight into RF signal environments by regenerating and playing back I/Q capture data using a vector signal generator. Furthermore, engineers can apply environmental fading profiles to I/Q data using a vector signal generator to determine the performance of a receiver.
The instrument allows users to capture up to 10 MHz of flatness- and phase-corrected I/Q data, and measure magnitude spectrum (frequency domain) and RF envelope as well as I/Q waveform (time domain). With FieldFox, users can customise up to four simultaneous and multi-domain measurement views, and enhance performance with features such as amplitude and IF alignment before capture. FieldFox saves I/Q capture data file types including comma separated values (CSV), text (TXT), SDF (compatible with 89600 VSA software) and MATLAB (MAT).
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